{"id":19795,"date":"2022-10-06T08:51:31","date_gmt":"2022-10-06T08:51:31","guid":{"rendered":"http:\/\/dgbellvietnam.com\/high-and-low-temperature-humidity-test-chamber-use-and-maintenance\/"},"modified":"2024-11-15T14:57:06","modified_gmt":"2024-11-15T07:57:06","slug":"high-and-low-temperature-humidity-test-chamber-use-and-maintenance","status":"publish","type":"post","link":"https:\/\/dgbellvietnam.com\/en\/high-and-low-temperature-humidity-test-chamber-use-and-maintenance\/","title":{"rendered":"Ph\u00f2ng th\u1eed \u0111\u1ed9 \u1ea9m nhi\u1ec7t \u0111\u1ed9 cao v\u00e0 th\u1ea5p\u2014S\u1eed d\u1ee5ng v\u00e0 b\u1ea3o tr\u00ec"},"content":{"rendered":"
\n

V\u1edbi s\u1ef1 ph\u00e1t tri\u1ec3n c\u1ee7a con ng\u01b0\u1eddi trong l\u0129nh v\u1ef1c qu\u00e2n s\u1ef1, h\u00e0ng kh\u00f4ng v\u0169 tr\u1ee5 v\u00e0 h\u00e0ng h\u1ea3i, nhi\u1ec1u thi\u1ebft b\u1ecb s\u1ebd ho\u1ea1t \u0111\u1ed9ng trong m\u00f4i tr\u01b0\u1eddng nhi\u1ec7t \u0111\u1ed9 cao, nhi\u1ec7t \u0111\u1ed9 th\u1ea5p v\u00e0 \u0111\u1ed9 \u1ea9m cao. Thi\u1ebft b\u1ecb s\u1ebd ph\u1ea3i \u0111\u1ed1i m\u1eb7t v\u1edbi nh\u1eefng th\u00e1ch th\u1ee9c l\u1edbn h\u01a1n trong m\u00f4i tr\u01b0\u1eddng n\u00e0y. T\u00ednh \u1ed5n \u0111\u1ecbnh c\u1ee7a thi\u1ebft b\u1ecb c\u00f3 t\u00e1c \u0111\u1ed9ng quan tr\u1ecdng \u0111\u1ebfn ho\u1ea1t \u0111\u1ed9ng c\u1ee7a thi\u1ebft b\u1ecb.<\/span><\/span><\/p>\n

Bu\u1ed3ng <\/span><\/span>th\u1eed \u0111\u1ed9 \u1ea9m nhi\u1ec7t \u0111\u1ed9 cao v\u00e0 th\u1ea5p<\/span><\/span><\/a> \u00a0(sau \u0111\u00e2y g\u1ecdi l\u00e0 bu\u1ed3ng th\u1eed \u0111\u1ed9 \u1ea9m nhi\u1ec7t \u0111\u1ed9 cao v\u00e0 th\u1ea5p) d\u00f9ng \u0111\u1ec3 ki\u1ec3m tra hi\u1ec7u su\u1ea5t c\u1ee7a v\u1eadt li\u1ec7u trong c\u00e1c s\u1ea3n ph\u1ea9m h\u00e0ng kh\u00f4ng v\u0169 tr\u1ee5 v\u00e0 h\u00e0ng h\u1ea3i trong m\u00f4i tr\u01b0\u1eddng nhi\u1ec7t \u0111\u1ed9 cao, nhi\u1ec7t \u0111\u1ed9 \u1ea9m v\u00e0 c\u00e1c m\u00f4i tr\u01b0\u1eddng kh\u00e1c. C\u1ea5u tr\u00fac v\u00e0 nguy\u00ean l\u00fd ho\u1ea1t \u0111\u1ed9ng c\u1ee7a n\u00f3 c\u00f3 m\u1ed9t s\u1ed1 \u0111\u1eb7c th\u00f9 nh\u1ea5t \u0111\u1ecbnh.<\/span><\/span><\/p>\n

1. S\u1eed d\u1ee5ng <\/span><\/span>bu\u1ed3ng \u0111\u1ed9 \u1ea9m nhi\u1ec7t \u0111\u1ed9 cao v\u00e0 th\u1ea5p<\/span><\/span><\/a><\/strong><\/span><\/h1>\n

Tr\u01b0\u1edbc khi ti\u1ebfn h\u00e0nh th\u00ed nghi\u1ec7m m\u00f4i tr\u01b0\u1eddng, c\u1ea7n n\u1eafm v\u1eefng hi\u1ec7u su\u1ea5t c\u1ee7a m\u1eabu th\u1eed nghi\u1ec7m, quy tr\u00ecnh th\u1eed nghi\u1ec7m, \u0111i\u1ec1u ki\u1ec7n th\u1eed nghi\u1ec7m v\u00e0 c\u00f4ng ngh\u1ec7 th\u1eed nghi\u1ec7m. \u0110\u1ed3ng th\u1eddi, c\u1ea7n n\u1eafm v\u1eefng c\u00f4ng ngh\u1ec7 s\u1eed d\u1ee5ng thi\u1ebft b\u1ecb, hi\u1ec3u r\u00f5 c\u1ea5u tr\u00fac c\u1ee7a thi\u1ebft b\u1ecb, \u0111\u1eb7c bi\u1ec7t l\u00e0 n\u1eafm v\u1eefng hi\u1ec7u su\u1ea5t v\u00e0 ho\u1ea1t \u0111\u1ed9ng c\u1ee7a b\u1ed9 \u0111i\u1ec1u khi\u1ec3n. \u0110\u1ed3ng th\u1eddi, nh\u00e2n vi\u00ean ph\u1ea3i \u0111\u1ecdc k\u1ef9 h\u01b0\u1edbng d\u1eabn v\u1eadn h\u00e0nh nhi\u1ec1u l\u1ea7n \u0111\u1ec3 tr\u00e1nh sai s\u00f3t khi v\u1eadn h\u00e0nh, do \u0111\u00f3 thi\u1ebft b\u1ecb kh\u00f4ng th\u1ec3 ho\u1ea1t \u0111\u1ed9ng b\u00ecnh th\u01b0\u1eddng, d\u1eabn \u0111\u1ebfn sai s\u1ed1 trong d\u1eef li\u1ec7u th\u1eed nghi\u1ec7m v\u00e0 l\u00e0m h\u1ecfng m\u1eabu trong th\u00ed nghi\u1ec7m. \u0110\u1ec3 \u0111\u1ea3m b\u1ea3o \u0111\u1ed9 ch\u00ednh x\u00e1c c\u1ee7a d\u1eef li\u1ec7u th\u1eed nghi\u1ec7m trong th\u00ed nghi\u1ec7m, c\u1ea7n l\u1ef1a ch\u1ecdn thi\u1ebft b\u1ecb h\u1ee3p l\u00fd \u0111\u1ec3 s\u1eed d\u1ee5ng trong th\u00ed nghi\u1ec7m. Vi\u1ec7c l\u1ef1a ch\u1ecdn bu\u1ed3ng \u0111\u1ed9 \u1ea9m nhi\u1ec7t \u0111\u1ed9 cao v\u00e0 th\u1ea5p ph\u1ea3i d\u1ef1a tr\u00ean t\u00ecnh h\u00ecnh th\u1ef1c t\u1ebf c\u1ee7a m\u1eabu th\u1eed nghi\u1ec7m. Th\u1ec3 t\u00edch gi\u1eefa bu\u1ed3ng th\u1eed nghi\u1ec7m v\u00e0 \u0111\u1ed1i t\u01b0\u1ee3ng th\u1eed nghi\u1ec7m ph\u1ea3i lu\u00f4n duy tr\u00ec t\u1ef7 l\u1ec7 h\u1ee3p l\u00fd. Khi ti\u1ebfn h\u00e0nh th\u00ed nghi\u1ec7m tr\u00ean v\u1eadt th\u1eed nghi\u1ec7m gia nhi\u1ec7t, th\u1ec3 t\u00edch c\u1ee7a v\u1eadt th\u1eed nghi\u1ec7m ph\u1ea3i nh\u1ecf h\u01a1n 10% th\u1ec3 t\u00edch hi\u1ec7u d\u1ee5ng c\u1ee7a hi\u1ec7u chu\u1ea9n th\u1eed nghi\u1ec7m. T\u1ef7 l\u1ec7 v\u1eadt th\u1eed nghi\u1ec7m kh\u00f4ng gia nhi\u1ec7t so v\u1edbi th\u1ec3 t\u00edch hi\u1ec7u d\u1ee5ng c\u1ee7a bu\u1ed3ng th\u1eed nghi\u1ec7m ph\u1ea3i l\u00e0 20%.<\/span><\/span><\/p>\n

Trong qu\u00e1 tr\u00ecnh th\u1eed nghi\u1ec7m, v\u1ecb tr\u00ed c\u1ee7a v\u1eadt th\u1eed nghi\u1ec7m ph\u1ea3i \u0111\u01b0\u1ee3c \u0111\u1eb7t \u0111\u00fang. V\u1ecb tr\u00ed gi\u1eefa v\u1eadt th\u1eed nghi\u1ec7m v\u00e0 th\u00e0nh bu\u1ed3ng ph\u1ea3i \u0111\u01b0\u1ee3c gi\u1eef tr\u00ean 20 cm. N\u1ebfu c\u1ea7n \u0111\u1eb7t nhi\u1ec1u m\u1eabu trong qu\u00e1 tr\u00ecnh th\u1eed nghi\u1ec7m, t\u1ea5t c\u1ea3 c\u00e1c m\u1eabu ph\u1ea3i \u0111\u01b0\u1ee3c \u0111\u1eb7t tr\u00ean c\u00f9ng m\u1ed9t m\u1eb7t ph\u1eb3ng c\u00e0ng xa c\u00e0ng t\u1ed1t.<\/span><\/span><\/p>\n

V\u1ecb tr\u00ed \u0111\u1eb7t m\u1eabu kh\u00f4ng \u0111\u01b0\u1ee3c l\u00e0m t\u1eafc ngh\u1ebdn c\u1eeda ra kh\u00ed v\u00e0 c\u1eeda ra kh\u00ed, \u0111\u1ed3ng th\u1eddi ph\u1ea3i gi\u1eef kho\u1ea3ng c\u00e1ch nh\u1ea5t \u0111\u1ecbnh v\u1edbi c\u1ea3m bi\u1ebfn \u0111\u1ed9 \u1ea9m \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o nhi\u1ec7t \u0111\u1ed9 b\u00ecnh th\u01b0\u1eddng trong qu\u00e1 tr\u00ecnh th\u00ed nghi\u1ec7m. Khi s\u1eed d\u1ee5ng bu\u1ed3ng \u01b0\u1edbt nhi\u1ec7t \u0111\u1ed9 cao v\u00e0 nhi\u1ec7t \u0111\u1ed9 th\u1ea5p, c\u1ea7n l\u01b0u \u00fd nh\u1eefng \u0111i\u1ec3m sau:<\/span><\/span><\/p>\n

(1) Trong qu\u00e1 tr\u00ecnh s\u1eed d\u1ee5ng, \u0111\u1ea3m b\u1ea3o c\u00e1c bu\u1ed3ng nhi\u1ec7t \u0111\u1ed9 \u1ea9m cao v\u00e0 th\u1ea5p \u0111\u01b0\u1ee3c n\u1ed1i \u0111\u1ea5t an to\u00e0n \u0111\u1ec3 tr\u00e1nh th\u01b0\u01a1ng vong do c\u1ea3m \u1ee9ng t\u0129nh \u0111i\u1ec7n.<\/span><\/span><\/p>\n

(2) Kh\u00f4ng \u0111\u01b0\u1ee3c ch\u1ea1m tay v\u00e0o bu\u1ed3ng trong qu\u00e1 tr\u00ecnh v\u1eadn h\u00e0nh.<\/span><\/span><\/p>\n

(3) Tr\u1eeb khi c\u1eeda bu\u1ed3ng kh\u00f4ng th\u1ec3 m\u1edf \u0111\u01b0\u1ee3c v\u00ec l\u00fd do \u0111\u1eb7c bi\u1ec7t trong qu\u00e1 tr\u00ecnh v\u1eadn h\u00e0nh thi\u1ebft b\u1ecb, nh\u1eefng h\u1eadu qu\u1ea3 b\u1ea5t l\u1ee3i sau \u0111\u00e2y c\u00f3 th\u1ec3 x\u1ea3y ra:<\/span><\/span><\/p>\n

1) Nhi\u1ec7t \u0111\u1ed9 b\u00ean trong c\u1eeda v\u1eabn c\u00f2n r\u1ea5t cao<\/span><\/span><\/p>\n

2) Nhi\u1ec7t \u0111\u1ed9 v\u00e0 \u0111\u1ed9 \u1ea9m cao s\u1ebd tho\u00e1t ra kh\u1ecfi bu\u1ed3ng.<\/span><\/span><\/p>\n

3) Nhi\u1ec7t \u0111\u1ed9 cao c\u00f3 th\u1ec3 g\u00e2y ra b\u00e1o ch\u00e1y.<\/span><\/span><\/p>\n

4) N\u1ebfu kh\u00f4ng c\u1ea7n thi\u1ebft, ph\u1ea3i t\u1eaft \u0111\u00e8n.<\/span><\/span><\/p>\n

5) C\u1ed1 g\u1eafng tr\u00e1nh m\u1edf n\u1eafp nhi\u1ec1u l\u1ea7n trong v\u00f2ng 15 ph\u00fat khi s\u1eed d\u1ee5ng.<\/span><\/span><\/p>\n

6) Khi bu\u1ed3ng \u0111\u1ed9 \u1ea9m nhi\u1ec7t \u0111\u1ed9 cao v\u00e0 th\u1ea5p \u0111ang ho\u1ea1t \u0111\u1ed9ng \u1edf nhi\u1ec7t \u0111\u1ed9 th\u1ea5p, t\u1ed1t nh\u1ea5t n\u00ean s\u1ea5y kh\u00f4 thi\u1ebft b\u1ecb trong 30 ph\u00fat \u1edf 60\u2103, sau \u0111\u00f3 m\u1edf c\u1eeda \u0111\u1ec3 tr\u00e1nh \u0111\u00f3ng b\u0103ng tr\u00ean b\u1ed9 ph\u1eadn bay h\u01a1i ho\u1eb7c \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn th\u1eddi gian \u0111o c\u1ee7a c\u00e1c th\u00ed nghi\u1ec7m ti\u1ebfp theo.<\/span><\/span><\/p>\n

7) Trong qu\u00e1 tr\u00ecnh v\u1eadn h\u00e0nh, \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o an to\u00e0n cho thi\u1ebft b\u1ecb v\u00e0 ng\u01b0\u1eddi v\u1eadn h\u00e0nh, ph\u1ea3i th\u01b0\u1eddng xuy\u00ean ki\u1ec3m tra b\u1ed9 b\u1ea3o v\u1ec7 qu\u00e1 nhi\u1ec7t v\u00e0 c\u1ea7u dao \u0111i\u1ec7n.<\/span><\/span><\/p>\n

8) Ngo\u00e0i nh\u00e2n s\u1ef1 to\u00e0n th\u1eddi gian, th\u1ee3 \u0111i\u1ec7n chuy\u00ean nghi\u1ec7p c\u0169ng \u0111\u01b0\u1ee3c y\u00eau c\u1ea7u tham gia b\u1ea3o tr\u00ec v\u00e0 ki\u1ec3m tra thi\u1ebft b\u1ecb.<\/span><\/span><\/p>\n

2. S\u1eeda ch\u1eefa v\u00e0 b\u1ea3o tr\u00ec c\u00e1c s\u1ef1 c\u1ed1 th\u01b0\u1eddng g\u1eb7p<\/span><\/span><\/strong><\/span><\/h1>\n

B\u1ea3o tr\u00ec c\u00e1c s\u1ef1 c\u1ed1 th\u01b0\u1eddng g\u1eb7p c\u1ee7a bu\u1ed3ng \u0111\u1ed9 \u1ea9m nhi\u1ec7t \u0111\u1ed9 cao v\u00e0 th\u1ea5p<\/span><\/span><\/p>\n

Trong qu\u00e1 tr\u00ecnh th\u1eed nghi\u1ec7m nhi\u1ec7t \u0111\u1ed9 cao, n\u1ebfu nhi\u1ec7t \u0111\u1ed9 th\u1eed nghi\u1ec7m kh\u00f4ng \u0111\u1ea1t \u0111\u01b0\u1ee3c gi\u00e1 tr\u1ecb nhi\u1ec7t \u0111\u1ed9 y\u00eau c\u1ea7u c\u1ee7a th\u1eed nghi\u1ec7m th\u00ec ph\u1ea3i ki\u1ec3m tra h\u1ec7 th\u1ed1ng \u0111i\u1ec7n v\u00e0 lo\u1ea1i b\u1ecf t\u1eebng nguy\u00ean nh\u00e2n g\u00e2y ra l\u1ed7i.<\/span><\/span><\/p>\n

N\u1ebfu nhi\u1ec7t \u0111\u1ed9 t\u0103ng ch\u1eadm, ph\u1ea3i ki\u1ec3m tra h\u1ec7 th\u1ed1ng l\u01b0u th\u00f4ng kh\u00f4ng kh\u00ed v\u00e0 quan s\u00e1t tr\u1ea1ng th\u00e1i m\u1edf c\u1ee7a t\u1ea5m \u0111i\u1ec1u ch\u1ec9nh trong h\u1ec7 th\u1ed1ng l\u01b0u th\u00f4ng kh\u00f4ng kh\u00ed.<\/span><\/span><\/p>\n

N\u1ebfu nhi\u1ec7t \u0111\u1ed9 t\u0103ng qu\u00e1 nhanh, c\u1ea7n ph\u00e1t hi\u1ec7n s\u1ef1 quay c\u1ee7a \u1ed1ng tu\u1ea7n ho\u00e0n kh\u00f4ng kh\u00ed. N\u1ebfu nhi\u1ec7t \u0111\u1ed9 t\u0103ng nhanh, c\u1ea7n \u0111i\u1ec1u ch\u1ec9nh c\u00e1c th\u00f4ng s\u1ed1 c\u00e0i \u0111\u1eb7t PID.<\/span><\/span><\/p>\n

N\u1ebfu nhi\u1ec7t \u0111\u1ed9 t\u0103ng tr\u1ef1c ti\u1ebfp \u0111\u1ebfn m\u1ee9c b\u1ea3o v\u1ec7 qu\u00e1 nhi\u1ec7t th\u00ec c\u00f3 th\u1ec3 k\u1ebft lu\u1eadn r\u1eb1ng b\u1ed9 \u0111i\u1ec1u khi\u1ec3n b\u1ecb l\u1ed7i v\u00e0 c\u1ea7n thay th\u1ebf thi\u1ebft b\u1ecb \u0111i\u1ec1u khi\u1ec3n k\u1ecbp th\u1eddi.<\/span><\/span><\/p>\n

Khi nhi\u1ec7t \u0111\u1ed9 th\u1ea5p kh\u00f4ng \u0111\u00e1p \u1ee9ng \u0111\u01b0\u1ee3c y\u00eau c\u1ea7u th\u1eed nghi\u1ec7m, c\u1ea7n ph\u1ea3i quan s\u00e1t s\u1ef1 thay \u0111\u1ed5i nhi\u1ec7t \u0111\u1ed9. Nhi\u1ec7t \u0111\u1ed9 t\u0103ng sau khi gi\u1ea3m xu\u1ed1ng m\u1ed9t gi\u00e1 tr\u1ecb nh\u1ea5t \u0111\u1ecbnh hay nhi\u1ec7t \u0111\u1ed9 gi\u1ea3m ch\u1eadm. Nguy\u00ean nh\u00e2n tr\u01b0\u1edbc th\u01b0\u1eddng l\u00e0 do m\u00f4i tr\u01b0\u1eddng k\u00e9m c\u1ee7a thi\u1ebft b\u1ecb kh\u00f4. C\u1ea7n quan s\u00e1t v\u1ecb tr\u00ed c\u1ee7a thi\u1ebft b\u1ecb v\u00e0 nhi\u1ec7t \u0111\u1ed9 m\u00f4i tr\u01b0\u1eddng. N\u1ebfu y\u00eau c\u1ea7u l\u00e0m vi\u1ec7c c\u1ee7a thi\u1ebft b\u1ecb kh\u00f4ng \u0111\u01b0\u1ee3c \u0111\u00e1p \u1ee9ng, c\u1ea7n \u0111i\u1ec1u ch\u1ec9nh k\u1ecbp th\u1eddi. N\u1ebfu l\u00e0 nguy\u00ean nh\u00e2n sau, c\u1ea7n ki\u1ec3m tra thi\u1ebft b\u1ecb \u0111\u1ec3 xem ph\u00f2ng th\u00ed nghi\u1ec7m \u0111\u00e3 \u0111\u01b0\u1ee3c s\u1ea5y kh\u00f4 tr\u01b0\u1edbc khi th\u1eed nghi\u1ec7m nhi\u1ec7t \u0111\u1ed9 th\u1ea5p hay ch\u01b0a. N\u1ebfu ph\u00f2ng l\u00e0m vi\u1ec7c kh\u00f4 v\u00e0 \u0111\u01b0a c\u00e1c v\u1eadt ph\u1ea9m th\u1eed nghi\u1ec7m v\u00e0o ph\u00f2ng th\u00ed nghi\u1ec7m, li\u1ec7u c\u00f3 qu\u00e1 nhi\u1ec1u v\u1eadt ph\u1ea9m th\u1eed nghi\u1ec7m \u0111\u01b0\u1ee3c x\u1ebfp ch\u1ed3ng trong ph\u00f2ng th\u00ed nghi\u1ec7m hay kh\u00f4ng, khi\u1ebfn chu tr\u00ecnh th\u00f4ng gi\u00f3 trong ph\u00f2ng th\u00ed nghi\u1ec7m kh\u00f4ng \u0111\u00e1p \u1ee9ng \u0111\u01b0\u1ee3c y\u00eau c\u1ea7u. Sau khi lo\u1ea1i b\u1ecf c\u00e1c nguy\u00ean nh\u00e2n l\u1ed7i tr\u00ean, n\u1ebfu t\u1ed1c \u0111\u1ed9 l\u00e0m m\u00e1t v\u1eabn ch\u1eadm, c\u00f3 th\u1ec3 x\u00e1c \u0111\u1ecbnh r\u1eb1ng h\u1ec7 th\u1ed1ng l\u00e0m l\u1ea1nh c\u00f3 v\u1ea5n \u0111\u1ec1, c\u1ea7n \u0111\u1ea1i tu h\u1ec7 th\u1ed1ng l\u00e0m l\u1ea1nh!<\/span><\/span><\/p>\n

2.2 N\u1ed9i dung b\u1ea3o tr\u00ec thi\u1ebft b\u1ecb<\/span><\/span><\/strong><\/span><\/h2>\n

N\u1ed9i dung ch\u00ednh c\u1ee7a b\u1ea3o tr\u00ec thi\u1ebft b\u1ecb bao g\u1ed3m b\u1ea3o tr\u00ec ph\u00f2ng ng\u1eeba v\u00e0 b\u1ea3o tr\u00ec d\u1ef1 \u0111o\u00e1n. Trong hai lo\u1ea1i b\u1ea3o tr\u00ec ph\u00f2ng ng\u1eeba, b\u1ea3o tr\u00ec c\u1ea7n th\u1ef1c hi\u1ec7n m\u1ed9t l\u1ea7n m\u1ed9t tu\u1ea7n bao g\u1ed3m: v\u1ec7 sinh th\u00e2n m\u00e1y th\u00ed nghi\u1ec7m c\u1ee7a khay thu n\u01b0\u1edbc v\u00e0 n\u01b0\u1edbc ng\u01b0ng t\u1ee5. B\u1ea3o tr\u00ec c\u1ea7n \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n b\u1edfi kh\u00e1ch h\u00e0ng trong c\u00e1c khu v\u1ef1c \u0111\u1eb7c bi\u1ec7t bao g\u1ed3m: r\u1eeda \u0111\u01b0\u1eddng \u1ed1ng n\u01b0\u1edbc t\u1ea1o \u1ea9m, x\u1ea3 h\u1ec7 th\u1ed1ng ho\u1eb7c \u0111\u01b0\u1eddng \u1ed1ng n\u01b0\u1edbc l\u00e0m m\u00e1t trung gian. B\u1ea3o tr\u00ec c\u1ea7n th\u1ef1c hi\u1ec7n s\u00e1u th\u00e1ng m\u1ed9t l\u1ea7n bao g\u1ed3m v\u1ec7 sinh thi\u1ebft b\u1ecb l\u00e0m m\u00e1t kh\u00f4ng kh\u00ed (b\u00ecnh ng\u01b0ng), v\u00e0 b\u1ea3o tr\u00ec c\u1ea7n th\u1ef1c hi\u1ec7n h\u00e0ng n\u0103m, L\u00e0m s\u1ea1ch c\u1eb7n b\u00ean trong m\u00e1y t\u1ea1o \u1ea9m, lo\u1ea1i b\u1ecf b\u1ee5i kh\u1ecfi t\u1ee7 \u0111i\u1ec1u khi\u1ec3n \u0111i\u1ec7n b\u1ea3o tr\u00ec c\u1ee7a ti\u1ebfp \u0111i\u1ec3m AC (d\u00f2ng \u0111i\u1ec7n cao). \u0110\u1ed3ng th\u1eddi, d\u1ea7u b\u00f4i tr\u01a1n m\u00e0 m\u00e1y n\u00e9n s\u1eed d\u1ee5ng n\u00ean \u0111\u01b0\u1ee3c thay th\u1ebf sau m\u1ed7i 2-3 n\u0103m. B\u1ea3o tr\u00ec d\u1ef1 \u0111o\u00e1n ch\u1ee7 y\u1ebfu bao g\u1ed3m b\u1ea3o tr\u00ec h\u00e0ng tu\u1ea7n, b\u1ea3o tr\u00ec h\u00e0ng th\u00e1ng v\u00e0 b\u1ea3o tr\u00ec h\u00e0ng qu\u00fd.<\/span><\/span><\/p>\n

B\u1ea3o d\u01b0\u1ee1ng h\u00e0ng tu\u1ea7n bao g\u1ed3m: ki\u1ec3m tra \u00e1p su\u1ea5t c\u00e2n b\u1eb1ng v\u00e0 \u00e1p su\u1ea5t h\u00fat v\u00e0 x\u1ea3 c\u1ee7a m\u00e1y n\u00e9n, ki\u1ec3m tra m\u00e0u d\u1ea7u trong m\u00e1y n\u00e9n v\u00e0 ki\u1ec3m tra th\u00e2n d\u1ea7u. B\u1ea3o d\u01b0\u1ee1ng h\u00e0ng th\u00e1ng bao g\u1ed3m. Ki\u1ec3m tra nhi\u1ec7t \u0111\u1ed9 x\u1ea3 v\u00e0 h\u00fat c\u1ee7a m\u00e1y n\u00e9n, g\u01b0\u01a1ng ch\u1ea5t l\u1ecfng trong b\u00ecnh ng\u01b0ng t\u1ee5 v\u00e0 nhi\u1ec7t \u0111\u1ed9 x\u1ea3, v\u00e0 ch\u00eanh l\u1ec7ch nhi\u1ec7t \u0111\u1ed9 gi\u1eefa n\u01b0\u1edbc v\u00e0o v\u00e0 ra kh\u1ecfi \u1ed1ng n\u01b0\u1edbc l\u1ea1nh. Ki\u1ec3m tra t\u1ed1c \u0111\u1ed9 l\u00e0m n\u00f3ng v\u00e0 t\u1ed1c \u0111\u1ed9 l\u00e0m m\u00e1t c\u1ee7a thi\u1ebft b\u1ecb. Ki\u1ec3m tra d\u00f2ng \u0111i\u1ec7n l\u00e0m vi\u1ec7c c\u1ee7a \u0111\u1ed9ng c\u01a1 m\u00e1y n\u00e9n m\u1ed7i qu\u00fd.<\/span><\/span><\/p>\n

Vi\u1ec7c b\u1ea3o d\u01b0\u1ee1ng thi\u1ebft b\u1ecb th\u01b0\u1eddng xuy\u00ean kh\u00f4ng ch\u1ec9 c\u00f3 th\u1ec3 c\u1ea3i thi\u1ec7n t\u00ednh \u1ed5n \u0111\u1ecbnh c\u1ee7a thi\u1ebft b\u1ecb trong qu\u00e1 tr\u00ecnh v\u1eadn h\u00e0nh v\u00e0 \u0111\u1ed9 ch\u00ednh x\u00e1c c\u1ee7a th\u00ed nghi\u1ec7m m\u00e0 c\u00f2n k\u00e9o d\u00e0i tu\u1ed5i th\u1ecd c\u1ee7a thi\u1ebft b\u1ecb \u1edf m\u1ed9t m\u1ee9c \u0111\u1ed9 nh\u1ea5t \u0111\u1ecbnh. Do \u0111\u00f3, trong t\u01b0\u01a1ng lai c\u1ea7n ch\u00fa \u00fd \u0111\u1ebfn vi\u1ec7c b\u1ea3o d\u01b0\u1ee1ng bu\u1ed3ng \u0111\u1ed9 \u1ea9m nhi\u1ec7t \u0111\u1ed9 cao v\u00e0 th\u1ea5p.<\/span><\/span><\/p>\n

3.K\u1ebft lu\u1eadn<\/span><\/span><\/strong><\/span><\/h1>\n

Bu\u1ed3ng nhi\u1ec7t \u01b0\u1edbt nhi\u1ec7t \u0111\u1ed9 cao v\u00e0 th\u1ea5p l\u00e0 thi\u1ebft b\u1ecb l\u00e0m l\u1ea1nh \u0111\u1eb7c bi\u1ec7t, v\u00ec v\u1eady vi\u1ec7c s\u1eed d\u1ee5ng, b\u1ea3o tr\u00ec v\u00e0 s\u1eeda ch\u1eefa ph\u1ea3i b\u1eaft \u0111\u1ea7u t\u1eeb l\u00e0m l\u1ea1nh, \u0111i\u1ec1u khi\u1ec3n \u0111i\u1ec7n, k\u1ef9 thu\u1eadt nhi\u1ec7t v\u00e0 c\u00e1c kh\u00eda c\u1ea1nh kh\u00e1c. Trong qu\u00e1 tr\u00ecnh s\u1eed d\u1ee5ng, c\u1ea7n ch\u00fa \u00fd \u0111\u1ebfn c\u00e1c th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt s\u1eed d\u1ee5ng. Trong qu\u00e1 tr\u00ecnh b\u1ea3o tr\u00ec, tr\u01b0\u1edbc ti\u00ean ph\u1ea3i lo\u1ea1i b\u1ecf c\u00e1c l\u1ed7i c\u00f3 th\u1ec3 do v\u1eadn h\u00e0nh g\u00e2y ra, sau \u0111\u00f3 m\u1edbi s\u1eeda ch\u1eefa c\u00e1c l\u1ed7i t\u1ed3n t\u1ea1i trong ch\u00ednh thi\u1ebft b\u1ecb. Sau khi thi\u1ebft b\u1ecb h\u1ecfng, c\u1ea7n ti\u1ebfn h\u00e0nh b\u1ea3o tr\u00ec tr\u00ean c\u01a1 s\u1edf n\u1eafm v\u1eefng c\u1ea5u tr\u00fac thi\u1ebft b\u1ecb v\u00e0 nguy\u00ean l\u00fd ho\u1ea1t \u0111\u1ed9ng. Ngo\u00e0i ra, vi\u1ec7c b\u1ea3o tr\u00ec thi\u1ebft b\u1ecb ph\u1ea3i \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n \u0111\u00fang th\u1eddi h\u1ea1n, v\u00e0 vi\u1ec7c b\u1ea3o tr\u00ec thi\u1ebft b\u1ecb kh\u00f4ng th\u1ec3 b\u1ecf qua v\u00ec thi\u1ebft b\u1ecb kh\u00f4ng h\u1ecfng trong m\u1ed9t kho\u1ea3ng th\u1eddi gian<\/span><\/span><\/p>\n

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V\u1edbi s\u1ef1 ph\u00e1t tri\u1ec3n c\u1ee7a con ng\u01b0\u1eddi trong l\u0129nh v\u1ef1c qu\u00e2n s\u1ef1, h\u00e0ng kh\u00f4ng v\u0169 tr\u1ee5 v\u00e0 h\u00e0ng h\u1ea3i, nhi\u1ec1u thi\u1ebft b\u1ecb s\u1ebd ho\u1ea1t \u0111\u1ed9ng trong m\u00f4i tr\u01b0\u1eddng nhi\u1ec7t \u0111\u1ed9 cao, nhi\u1ec7t \u0111\u1ed9 th\u1ea5p v\u00e0 \u0111\u1ed9 \u1ea9m cao. Thi\u1ebft b\u1ecb s\u1ebd ph\u1ea3i \u0111\u1ed1i m\u1eb7t v\u1edbi nh\u1eefng th\u00e1ch th\u1ee9c l\u1edbn h\u01a1n trong m\u00f4i tr\u01b0\u1eddng n\u00e0y. T\u00ednh<\/p>\n","protected":false},"author":1,"featured_media":19796,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[88],"tags":[],"class_list":["post-19795","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-tin-tuc-cong-nghe"],"acf":[],"_links":{"self":[{"href":"https:\/\/dgbellvietnam.com\/en\/wp-json\/wp\/v2\/posts\/19795","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/dgbellvietnam.com\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/dgbellvietnam.com\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/dgbellvietnam.com\/en\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/dgbellvietnam.com\/en\/wp-json\/wp\/v2\/comments?post=19795"}],"version-history":[{"count":2,"href":"https:\/\/dgbellvietnam.com\/en\/wp-json\/wp\/v2\/posts\/19795\/revisions"}],"predecessor-version":[{"id":22408,"href":"https:\/\/dgbellvietnam.com\/en\/wp-json\/wp\/v2\/posts\/19795\/revisions\/22408"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/dgbellvietnam.com\/en\/wp-json\/wp\/v2\/media\/19796"}],"wp:attachment":[{"href":"https:\/\/dgbellvietnam.com\/en\/wp-json\/wp\/v2\/media?parent=19795"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/dgbellvietnam.com\/en\/wp-json\/wp\/v2\/categories?post=19795"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/dgbellvietnam.com\/en\/wp-json\/wp\/v2\/tags?post=19795"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}